<!DOCTYPE html>
<html>
<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.

Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
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<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.events.ActionHandler</title>
<script src="../base.js"></script>
<script>
  goog.require('goog.events.ActionHandler');
  goog.require('goog.dom');
  goog.require('goog.testing.events');
  goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
  var actionHandler;
  function setUp() {
    actionHandler = new goog.events.ActionHandler(
        goog.dom.getElement('actionDiv'));
  }
  function tearDown() {
    actionHandler.dispose();
  }

  // Tests to see that both the BEFOREACTION and ACTION events are fired
  function testActionHandlerWithBeforeActionHandler() {
    var actionEventFired = false;
    var beforeActionFired = false;
    goog.events.listen(actionHandler, 
        goog.events.ActionHandler.EventType.ACTION, 
        function(e) {
          actionEventFired = true;
        });
    goog.events.listen(actionHandler, 
        goog.events.ActionHandler.EventType.BEFOREACTION, 
        function(e) {
          beforeActionFired = true;
        });
    goog.testing.events.fireClickSequence(goog.dom.getElement('actionDiv'));
    assertTrue("BEFOREACTION event was not fired", beforeActionFired);
    assertTrue("ACTION event was not fired", actionEventFired);
  }

  // Tests to see that the ACTION event is fired, even if there is no
  // BEFOREACTION handler.
  function testActionHandlerWithoutBeforeActionHandler() {
    var actionEventFired = false;
    goog.events.listen(actionHandler, 
        goog.events.ActionHandler.EventType.ACTION, 
        function(e) {actionEventFired = true;});
    goog.testing.events.fireClickSequence(goog.dom.getElement('actionDiv'));
    assertTrue("ACTION event was not fired", actionEventFired);
  }

  // If the BEFOREACTION listener swallows the event, it should cancel the
  // ACTION event.
  function testBeforeActionCancel() {
    var actionEventFired = false;
    var beforeActionFired = false;
    goog.events.listen(actionHandler, 
        goog.events.ActionHandler.EventType.ACTION, 
        function(e) {actionEvent = e;});
    goog.events.listen(actionHandler, 
        goog.events.ActionHandler.EventType.BEFOREACTION, 
        function(e) {
          beforeActionFired = true;
          e.preventDefault();
        });
    goog.testing.events.fireClickSequence(goog.dom.getElement('actionDiv'));
    assertTrue(beforeActionFired);
    assertFalse(actionEventFired);
  }
</script>
  <div id="actionDiv">action</div>
</body>
</html>
